Buscar
Itens para a visualização no momento 131-140 of 271
Estudo observacional de sinais clínicos e sintomas em pacientes com periodontite apical
(Universidade Federal de Santa Maria, 2015-08-17)
Apical periodontitis is an inflamatory process reported by literature in a prevalence
that range from 39% to 83%, depending on the sample studied. The inflammatory
process represents and infectious focus that may cause ...
Translucidez de resinas compostas constituídas por diferentes monômeros em meios e tempos de armazenamento distintos
(Universidade Federal de Santa Maria, 2010-10-22)
The aim of this study was to determine translucency of composite resins formed by different monomers when stored in two distinct environments (immersed in dis tilled
water and red wine) and periods of time (immediately ...
Comparação de diferentes ensaios mecânicos para avaliar a resistência adesiva a uma cerâmica Y-TZP
(Universidade Federal de Santa Maria, 2012-03-23)
This study aimed to evaluate the bond strength using different test types for bonding evaluation, between a yttrium tetragonal zirconia polycrystals (Y-TZP) ceramic and composite resin, considering two types of Y-TZP surface ...
Avaliação da resistência de união de diferentes sistemas de cimentação adesiva ao esmalte e a dentina
(Universidade Federal de Santa Maria, 2010-01-21)
Objective: The aim of this study was to evaluate the bond strength to enamel and dentin of a self-adhesive resin cement applied with different cementation strategies,
using a conventional resin cement as control. Material ...
Estudo do efeito de um gel neutralizador à base de catalase na liberação do oxigênio residual da estrutura dental após exposição ao peróxido de carbamida
(Universidade Federal de Santa Maria, 2010-11-30)
The effects of the catalase-based gel in the release of residual oxygen in permanent human teeth submitted to 10% carbamide peroxide (Whitness perfect 10%) were assessed in vitro. The teeth were divided into specimens ...
Efeitos do pré-tratamento dentinário e temperatura do adesivo na resistência adesiva de um sistema adesivo universal
(Universidade Federal de Santa Maria, 2016-07-28)
This study aimed to evaluate the effects of dentin pretreatment and temperature on the bond strength of a universal adhesive system to dentin. Ninety-six extracted non-carious human third molars were randomly divided into ...
Efeito da concentração de ácido fluorídrico e do tempo de condicionamento na adesão e no comportamento mecânico de cerâmicas vítreas: revisão sistemática e meta-análise
(Universidade Federal de Santa Maria, 2021-11-05)
The aim of this study was to compare the effects of different concentrations and etching times with
hydrofluoric acid on the bond strength to resin cements and on the mechanical behavior of feldspathic,
leucite-reinforced ...
Fatores associados à tomada de decisão clínica no manejo de dentes tratados endodonticamente: comparação entre especialistas e não-especialistas
(Universidade Federal de Santa Maria, 2021-09-22)
The present study aimed to evaluate the influence of factors related to the professional and the tooth (clinical and radiographic data) and the impact of radiographic characteristics, when assessed individually or together, ...
O efeito de diferentes instrumentos de glide path na resistência à fadiga cíclica de instrumentos reciprocantes após três utilizações
(Universidade Federal de Santa Maria, 2021-12-07)
During the endodontic procedure, the clinician is susceptible to the occurrence of some accidents such as root perforations, deviations and instrument fractures. In order to avoid fractures of mechanized instruments, the ...
Efeito de cimentos endodônticos na resistência adesiva de pinos de fibra e no grau de conversão de dois cimentos resinosos
(Universidade Federal de Santa Maria, 2017-06-30)
Restoring dental function after partial loss of the coronary structure depends mainly
of post retainer adhesive strength. However, several factors may affect the adhesion
between the root dentin and the radicular post ...